1222221100194 has 24 divisors (see below), whose sum is σ = 2787521808240. Its totient is φ = 385964557848.

The previous prime is 1222221100189. The next prime is 1222221100207. The reversal of 1222221100194 is 4910011222221.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1786872612 + ... + 1786873295.

It is an arithmetic number, because the mean of its divisors is an integer number (116146742010).

Almost surely, 2^{1222221100194} is an apocalyptic number.

1222221100194 is an abundant number, since it is smaller than the sum of its proper divisors (1565300708046).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222221100194 is a wasteful number, since it uses less digits than its factorization.

1222221100194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3573745934 (or 3573745931 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The spelling of 1222221100194 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred thousand, one hundred ninety-four".